Yirrkala ori
sp. nov., subfamily Ophichthinae, tribe Sphagebranchini, is described from specimens collected off Durban, KwaZulu-Natal, South Africa, in 20 m. It differs from all known congeners in having 4 supraorbital pores, in its colouration, and in its meristics and morphometrics.
Yirrkala calyptra
species novum is described from specimens collected in 18 m off Fraser Island, Australia. It differs from all known congeners in having 4 supraorbital pores, a distinctive black facial slash, and in its meristics and morphometrics.